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Improved spectroscopic parameters of methane in the MIR for atmospheric remote sensing

Dubravica, Darko and Birk, Manfred and Hase, Frank and Loos, Joep and Palm, Mathias and Sadeghi, Alireza and Wagner, Georg (2014) Improved spectroscopic parameters of methane in the MIR for atmospheric remote sensing. 13th HITRAN Database Conference, 23.-25. Jun. 2014, Cambridge, MA, USA.

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Ground-based high-resolution FTIR spectrometers are used within the NDACC (Network for the Detection of Atmospheric Composition Change) for measuring the concentration of trace gases in the atmosphere. Fits of atmospheric spectra using the methane HITRAN 2012 line list indicate residual deficiencies of the spectroscopic data in the MIR region between 2400 cm-1 and 3000 cm-1 used by NDACC for the retrieval of CH4 profiles. The aim of this work is to further improve these parameters based on laboratory spectra. Target parameters are the line position and the line intensity as well as the air-broadening and the air pressure induced shift parameter. Moreover, speed dependence and line mixing effects were taken into account.

Item URL in elib:https://elib.dlr.de/90067/
Document Type:Conference or Workshop Item (Poster)
Title:Improved spectroscopic parameters of methane in the MIR for atmospheric remote sensing
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Birk, Manfredmanfred.birk (at) dlr.deUNSPECIFIED
Loos, Joepjoep.loos (at) dlr.deUNSPECIFIED
Palm, MathiasUni Bremen, IUPUNSPECIFIED
Sadeghi, AlirezaUni bremen, IUPUNSPECIFIED
Wagner, Georggeorg.wagner (at) dlr.deUNSPECIFIED
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:methan, line parameters, spectroscopy, line mixing
Event Title:13th HITRAN Database Conference
Event Location:Cambridge, MA, USA
Event Type:international Conference
Event Dates:23.-25. Jun. 2014
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Spektrometrische Verfahren und Konzepte der Fernerkundung (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Experimental Methods
Deposited By: Loos, Joep
Deposited On:30 Jul 2014 17:53
Last Modified:04 Dec 2014 16:51

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